Hand Book of Calculations for Engineers and Firemen: Relating to the Steam Engine, the Steam Boiler, Pumps, Shafting, Etc. ...T. Audel & Company, 1901 - 319 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 23.
Σελίδα 57
... radius ( half its diameter ) and divide the product by the radius of the axle . The quotient is the weight that the power will raise . THE WHEEL AND AXLE . EXAMPLE . Required the weight Hand Book of Calculations . 57.
... radius ( half its diameter ) and divide the product by the radius of the axle . The quotient is the weight that the power will raise . THE WHEEL AND AXLE . EXAMPLE . Required the weight Hand Book of Calculations . 57.
Σελίδα 58
... radius of the axle , and divide the product by the radius of the wheel . EXAMPLE . Required the power necessary to raise a weight of 400 lbs . by an axle of 10 inches , and wheel of 50 inches in diameter . Now , then : Weight = 400 diam ...
... radius of the axle , and divide the product by the radius of the wheel . EXAMPLE . Required the power necessary to raise a weight of 400 lbs . by an axle of 10 inches , and wheel of 50 inches in diameter . Now , then : Weight = 400 diam ...
Σελίδα 59
... ( radius of 12 ft . diam . - 6 . Number of men 6 36 Lbs . for each man 80 Divide by radius of axle 1 ) 2880 2880 lbs . Ans . If an allowance of ten per cent . is made for friction and the rigidity of the cord , the answer will be 2592 lbs ...
... ( radius of 12 ft . diam . - 6 . Number of men 6 36 Lbs . for each man 80 Divide by radius of axle 1 ) 2880 2880 lbs . Ans . If an allowance of ten per cent . is made for friction and the rigidity of the cord , the answer will be 2592 lbs ...
Σελίδα 60
... radius of the wheel , in feet , is equal to half the weight multiplied by the difference in the half diameters ( radii ) of the thicker and thinner parts of the axle . This will be made clear by the following EXAMPLE . The diameters in ...
... radius of the wheel , in feet , is equal to half the weight multiplied by the difference in the half diameters ( radii ) of the thicker and thinner parts of the axle . This will be made clear by the following EXAMPLE . The diameters in ...
Σελίδα 61
... radius , and the weight to be lifted is 500. What force must be applied to the handle if 10 per cent . is to be added for friction . Now , then Leverage of weight 5 " + " 575. Being radius of barrel and rope . = 500 × 5,75- 500 lbs . 15 ...
... radius , and the weight to be lifted is 500. What force must be applied to the handle if 10 per cent . is to be added for friction . Now , then Leverage of weight 5 " + " 575. Being radius of barrel and rope . = 500 × 5,75- 500 lbs . 15 ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
algebra amount Answer AREAS OF CIRCLES arithmetic atmosphere belt body boiler calculations called Circum CIRCUMFERENCES AND AREAS condenser CONTAINING THE DIAMETERS crank cubic feet cubic foot cubic inches degrees denominator Diam distance divide the product divisor draw dynamo eccentric electricity equal EXAMPLES FOR EXERCISE expressed figure find the area force fraction fulcrum gallon given heating surface hence horse power inclined plane iron latent heat lever mean effective pressure means measure mechanical metal minute motion NOTE perpendicular piece pipe piston rod PROBLEM pulley pump quantity quotient radius Reduce remainder resistance revolutions per minute rope RULE safety valve screw sensible heat shaft sides solid space specific gravity square feet square inch square root STEAM BOILER steam engine strength STRENGTH OF MATERIALS subtract temperature tion triangle tube unit of heat velocity vulgar fraction wedge weight wheel and axle wire
Δημοφιλή αποσπάσματα
Σελίδα 32 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 150 - ... multiply the second and third terms together, and divide the product by the first for the answer, which will always be of the same denomination as the third iesa.
Σελίδα 108 - Multiply all the numerators together for a new numerator, and all the denominators together for a new denominator.
Σελίδα 36 - A pile of wood 8 feet long, 4 feet wide, and 4 feet high, contains 1 cord; and a cord foot is 1 foot in length of such a pile.
Σελίδα 130 - If equals be taken from equals the remainders are equal. 4. If equals be added to unequals the wholes are unequal. 5. If equals be taken from unequals the remainders are unequal. 6. Things which are double of the same are equal to one another.
Σελίδα 261 - The distance from the center of the .shaft to the center of the eccentric is called the radius, and twice this distance is termed the "throw.
Σελίδα 37 - TABLE. 4 farthings (far. or qr.) make 1 penny, d. 12 pence " 1 .shilling, s. 20 shillings " 1 pound or sovereign, £ or sov.
Σελίδα 102 - The surface of a sphere is equal to the convex surface of the circumscribing cylinder ; and the solidity of the sphere is two thirds the solidity of the circumscribing cylinder.
Σελίδα 14 - British thermal unit (BTU) is the amount of heat required to raise one pound of water one degree Fahrenheit.
Σελίδα 31 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.